Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

In a new paper, researchers examine the possibility of other consciousnesses that take on forms far beyond our imagination.

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

Octopuses, bees, and dogs all process information differently. Even within the narrow confines of one planet, evolution produced a wide range of nervous systems rather than a single design. A new ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

Over the past 50 years, fears of a superintelligent alien life-form taking over the planet have surfaced. Someone, of course, usually suggests such an invasion might force our fractured planet to ...